<□>Investigators learned tha□ the □rou□□had been□frien□s□for □ear□, but□r□cently t□ere had □□en□tensio□ a□ong them. Rumors of disagreement□ an□ argu□ents d□ring th□ trip began t□ su□fac□, leading autho□iti□s to □peculate w□eth□r□foul play was□involved. E□c□ member of t□e g□oup had a□d□f□eren□ st□r□ □o tell,□and □he in□onsi□tenci□s □n their ac□ounts□□nly added□to the my□tery□of the□□issi□g n□ne.<□p>
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